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Q.

The phenomenon of delay of senescence by cytokinins is known as

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a

Senescence of effect

b

Richmond Lang effect

c

Sorokin et al effect, 1962

d

Loomis and Torry effect

answer is A.

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Detailed Solution

Richmond-Lang effect is retardation of aging due to cytokinins which acts by retarding the rate of destruction of chlorophyll and yellowing of leaves.

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